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12646469 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12646469: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.125 INCHES NOMINAL IN, hole_diameter: 0.405 INCHES MINIMUM AND 0.407 INCHES MAXIMUM IN, outside_diameter: 1.49 INCHES MINIMUM AND 1.52 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-727-7221, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
12646469
NSN: 5310-01-727-7221
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.125 INCHES NOMINAL IN
hole_diameter0.405 INCHES MINIMUM AND 0.407 INCHES MAXIMUM IN
outside_diameter1.49 INCHES MINIMUM AND 1.52 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identification2355-01-654-5245
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationASTM F844 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyWASHER, SNUBBING
NSN5310-01-727-7221
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12646469 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM F844 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 1.49 INCHES MINIMUM AND 1.52 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM F844 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER1.49 INCHES MINIMUM AND 1.52 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, SNUBBING
END ITEM IDENTIFICATION2355-01-654-5245
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.405 INCHES MINIMUM AND 0.407 INCHES MAXIMUM IN
THICKNESS0.125 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12646469?
12646469 is a WASHER,FLAT.
What is the NSN for 12646469?
12646469 is cataloged in the U.S. Government catalog under NSN 5310-01-727-7221. This indicates validated use in U.S. government and defense supply chains.
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